ProtoArc EM11 NL Ergonomic Mouse, Wireless Vertical Mouse Rechargeable Optical Mice with Multi-Device (Bluetooth + Bluetooth + USB Connection) for Computer, iPad, Mac, Windows, Silver GrayClimatePartner certified

I wanted a new mouse as my latest laptop had no USB-A ports. I tried several mice and despite my initial preferences, this was the mouse that I ended up buying; my hand just naturally went to this one. It's just comfortable and the buttons are all in the right place - at least if you are right handed!It is a large, basic mouse, with the usual left click, right click and clickable scroll wheel plus two other buttons for forwards and backwards. There is also a button next to the scroll wheel that allows you to adjust the mouse's sensitivity should you want to (1000/1600/2400 DPI). It came beautifully packaged in a smart box, with charging cable (USB-A to USB-C), Quick Start guide and manual.The EM11 NL weighs 132g (3.9oz), measures 138 x 69.2 x 68.1 mm, and is covered by a two year guarantee.Unlike my friend's Logitech mouse, the buttons aren't programmable and the scroll wheel cannot be set to freewheel, but his cost £70+, while this one cost £19.99 (reduced from £24.99)You can connect this mouse to up to three devices; one via a USB-A dongle and the other two via Bluetooth. Switching is very easy using a pushbutton on the bottom of the mouse.Power is from integral, rechargeable 500mAh battery with a USB-C charging port and a USB-A to USB-C charging cable supplied. Charging takes 2-3 hours, but lasts a long time. A red LED by the scroll wheel indicates if it needs recharging. There is an on/off switch on the bottom that conserves power when the mouse is not in use.

Superb vertical mouse.Bought this as it was well priced and I wanted to try a vertical mouse to help with wrist pain.Takes a few days to get used to when coming from a regular mouse. But now I don't even think about it - it just feels a natural position.Smooth gliding.Positive buttons.Good generous size.Battery life is OK so far (only 7 days in! But I do leave it switched on all the time and it's only down to 58%)The only negatives I've found:First is the texture : it's lovely and velvety but so slippy! I had trouble gripping (keeping the mouse in a position in my hand without it squirming). However - a cheap and perfect fix for this and any other devices : the Supergrip universal grip tape! (See photo) This when applied in a few strategic positions makes for a SUPER grippy mouse. It's perfect now, even the lightest touch is super grip and doesn't squirm out of my hand. Even sweaty fingers grip perfectly. Still have half the grip tape left too (it's a thin rubber sheet of special grip surface).Second issue, in Bluetooth connection there the occasional stutter or jitter (maybe only noticed once every few minutes). So I use the included dongle and connect via 2.4ghz wireless and it's much smoother and solid movement. Don't be put off, it's still very good in Bluetooth mode, I am just very sensitive to things like this! I still use Bluetooth mode occasionally, and it's useful to check the battery percentage!

The packaging and the information provided were very detailed and carefully done, which was impressive.The design of the mouse is very unique and fun . The clicking is so smooth and silent, so satisfying! A few downsides of the mouse is that the wheel is in a weird position and you ofted don't know which finger to use in order to scroll . Also you often find yourself clicking the wheel instead of rolling it but it may need a little time to get used of the sensitivity.Easy to connect with all the bluetooth options or the usb and the size is very good and sturdy. Hope the material lasts as the black "matt" effect might wear off after heavy usage . Very value for money option.

This vertical mouse is more comfortable than I thought and has a premium feel.It comes impeccably packaged, it includes a 2 year warranty and a charging cable.Very simple and quick to set up. Highly recommend.

The product is exactly what I was expecting. You can really feel the high quality. It’s very comfortable to use, with a smooth and soft material that feels great in the hand. The click buttons are light and responsive, and even the packaging was impressive, it truly feels like a premium item.

I’ll start by admitting that I ignored the advice which says this mouse is best suited for small to medium hands. My hands are huge, so I expected it to feel cramped — and yes, it does feel a little on the small side. That said, it’s surprisingly comfortable even after long sessions, and the ergonomic shape makes it very easy to adapt to.Performance-wise, it’s excellent. The tracking is smooth, responsive, and precise across different surfaces. Connectivity couldn’t have been simpler — just plug in the dongle or use Bluetooth, and it works instantly. The clicks are quiet but still very tactile, which makes it perfect for the office or shared spaces.On top of that, the design looks sleek and modern, with a finish that feels more premium than the price suggests.Overall, if you have large hands like me, be aware it’s slightly small, but still very usable and comfortable. For anyone else, it’s near perfect — stylish, smooth, and effortless to use.

This is a 3 star because I can't do 3.5. I bought this because I have pain in my elbow which is probably tennis elbow. From that point of view while the pain is no better, it is a lot better than after a session with my usual mouse. I use it as a Bluetooth mouse on two computers and as wireless with the dongle on a third and this is very convenient. Setup was very simple. I find the mouse easy to use but difficult to use accurately. It seems to not glide on the desk surface very easily and this can make it awkward to use. The back of the mouse sweeps down to the desk, a bit like the front of a snail shell and this keeps trapping the fleshy part of my hand as I move the mouse. It's not painful just annoying. This is the only vertical mouse I have tried and I don't know if that last comment covers other mice too. On the whole I prefer my previous horizontal mouse in every way except the pain.